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nouveau: check if a fence has already been signalled

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nouveau_fence_update does real work unconditionally. Avoid doing that if
the fence we're checking on has already been signalled.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2014-07-09 23:20:43 -04:00
parent c11096c749
commit bbc4a7bd31
1 changed files with 3 additions and 0 deletions
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3
src/gallium/drivers/nouveau/nouveau_fence.c
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@ -174,6 +174,9 @@ nouveau_fence_signalled(struct nouveau_fence *fence)
{
struct nouveau_screen *screen = fence->screen;
if (fence->state == NOUVEAU_FENCE_STATE_SIGNALLED)
return TRUE;
if (fence->state >= NOUVEAU_FENCE_STATE_EMITTED)
nouveau_fence_update(screen, FALSE);